Scrolling doesn't work using trackpad in macOS
When reading a book in Calibre's viewer, I usually use the flow mode. This works fine in Calibre 3. Recently I switch to version 4, but scrooling doesn't work in viewer using trackpad. And I also tried with the mouse wheel. That works fine.
So how can I solve this problem?
FYI, I use Calibre 4.23.0 and Calibre 4.99.17(beta) in macOS Catalina 10.15.6. Both the stable version and the beta version have the same problem.
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